<template>
  <div ref="lineChart" class="Line-chart"></div>
</template>

<script>
import echarts from 'echarts'
require('echarts/theme/macarons')
import resize from '@u/resize'

export default {
  name: 'LineChart',
  mixins: [resize],
  data() {
    return {
      chart: null
    }
  },
  mounted() {
    this.$nextTick(() => {
      this.initChart()
    })
  },
  beforeDestroy() {
    if (!this.chart) {
      return
    }
    this.chart.dispose()
    this.chart = null
  },
  methods: {
    initChart() {
      this.chart = echarts.init(this.$el, 'macarons')

      let option = {
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            lineStyle: {
              width: 1,
              color: '#019680'
            }
          }
        },
        xAxis: {
          type: 'category',
          boundaryGap: false,
          data: [...new Array(18)].map((_item, index) => `${index + 6}:00`),
          splitLine: {
            show: true,
            lineStyle: {
              width: 1,
              type: 'solid',
              color: 'rgba(226,226,226,0.5)'
            }
          },
          axisTick: {
            show: false
          }
        },
        yAxis: [
          {
            type: 'value',
            max: 80000,
            splitNumber: 4,
            axisTick: {
              show: false
            },
            splitArea: {
              show: true,
              areaStyle: {
                color: ['rgba(255,255,255,0.2)', 'rgba(226,226,226,0.2)']
              }
            }
          }
        ],
        grid: { left: '1%', right: '3%', top: '2%', bottom: 0, containLabel: true },
        series: [
          {
            smooth: true,
            data: [
              111, 222, 4000, 18000, 33333, 55555, 66666, 33333, 14000, 36000, 66666, 44444, 22222,
              11111, 4000, 2000, 500, 333, 222, 111
            ],
            type: 'line',
            areaStyle: {},
            itemStyle: {
              color: '#5ab1ef'
            }
          },
          {
            smooth: true,
            data: [
              33, 66, 88, 333, 3333, 5000, 18000, 3000, 1200, 13000, 22000, 11000, 2221, 1201, 390,
              198, 60, 30, 22, 11
            ],
            type: 'line',
            areaStyle: {},
            itemStyle: {
              color: '#019680'
            }
          }
        ]
      }

      this.chart.setOption(option)
    }
  }
}
</script>

<style scoped>
.Line-chart {
  height: 300px;
  width: 100%;
}
</style>
